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1 /* |
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2 * Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: This module contains eventmediator and the services of it. |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 /** |
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21 * @file eventmediator.cpp |
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22 * |
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23 * This module contains eventmediator and the services of it. |
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24 * |
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25 */ |
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26 #include <es_sock.h> |
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27 #include "eventmediator.h" |
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28 #include "eventlogger.h" |
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29 #include "eventmediatordefs.h" |
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30 #include "sit.h" |
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31 #include "log_em.h" |
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32 |
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33 #define FIRST_ARGUMENT 0 |
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34 #define SECOND_ARGUMENT 1 |
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35 #define THIRD_ARGUMENT 2 |
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36 #define FOURTH_ARGUMENT 3 |
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37 |
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38 // ============================= CEventMediatorServer ============================= |
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39 |
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40 const TUint CEventMediatorServer::iRangeCount = 2; |
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41 |
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42 const TInt CEventMediatorServer::iRanges[iRangeCount] = |
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43 { |
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44 CEventMediatorSession::KEventMediatorListen, |
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45 CEventMediatorSession::KEventMediatorClearEventLog+1 |
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46 }; |
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47 |
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48 const TUint8 CEventMediatorServer::iElementIndex[iRangeCount] = |
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49 { |
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50 0, |
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51 CPolicyServer::ENotSupported |
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52 }; |
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53 |
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54 const CPolicyServer::TPolicyElement CEventMediatorServer::iElements[] = |
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55 { |
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56 {_INIT_SECURITY_POLICY_C1(ECapabilityNetworkControl), CPolicyServer::EFailClient}, |
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57 }; |
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58 |
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59 const CPolicyServer::TPolicy CEventMediatorServer::iPolicy = |
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60 { |
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61 0, // All connect attempts are checked |
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62 iRangeCount, // Count of ranges |
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63 iRanges, // 0...9, 9... |
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64 iElementIndex, // Only range 1000-1008 are checked |
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65 iElements // The list of policy elements |
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66 }; |
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67 |
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68 |
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69 CEventMediatorServer::CEventMediatorServer(void) |
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70 : CPolicyServer(EPriorityNormal,iPolicy), iStoredEvents(1) |
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71 { |
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72 } |
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73 |
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74 CEventMediatorServer* CEventMediatorServer::NewL() |
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75 { |
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76 LOG(Log::Printf(_L("CEventMediatorServer::NewL - begin\n"))); |
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77 CEventMediatorServer* server = CEventMediatorServer::NewLC(); |
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78 CleanupStack::Pop(); // server |
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79 LOG(Log::Printf(_L("CEventMediatorServer::NewL - end\n"))); |
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80 return server; |
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81 } |
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82 |
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83 CEventMediatorServer* CEventMediatorServer::NewLC() |
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84 { |
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85 LOG(Log::Printf(_L("CEventMediatorServer::NewLC - begin\n"))); |
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86 CEventMediatorServer* server = new (ELeave) CEventMediatorServer(); |
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87 CleanupStack::PushL(server); |
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88 server->ConstructL(server); |
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89 LOG(Log::Printf(_L("CEventMediatorServer::NewLC - end\n"))); |
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90 return server; |
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91 } |
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92 |
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93 void CEventMediatorServer::ConstructL(CEventMediatorServer* aServer) |
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94 { |
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95 RFs fs; |
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96 User::LeaveIfError(fs.Connect()); |
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97 CleanupClosePushL(fs); |
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98 |
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99 fs.CreatePrivatePath(EDriveC); |
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100 |
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101 TPath privateDir; |
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102 User::LeaveIfError(fs.PrivatePath(privateDir)); |
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103 iEventLogFileName.Copy(privateDir); |
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104 iEventLogFileName.Append(KEventLogFile); |
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105 |
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106 CleanupStack::PopAndDestroy(); // fs |
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107 |
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108 aServer->iLogger = CEventLogger::NewL(this); |
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109 iSit = new (ELeave) CSit(this); |
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110 StartL(KEventMediatorServer); |
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111 } |
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112 |
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113 CEventMediatorServer::~CEventMediatorServer(void) |
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114 { |
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115 LOG(Log::Printf(_L("CEventMediatorServer::~CEventMediatorServer\n"))); |
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116 // Delete stored events |
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117 TInt nEvents = this->iStoredEvents.Count(); |
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118 for (TInt i = 0; i < nEvents; i++) |
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119 { |
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120 delete iStoredEvents.At(i)->iData; |
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121 delete iStoredEvents.At(i); |
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122 } |
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123 iStoredEvents.Delete(0, iStoredEvents.Count()); |
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124 |
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125 // Delete log writer |
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126 delete iLogger; |
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127 |
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128 delete iSit; |
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129 } |
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130 |
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131 // ---------------------------------------------------------------------------- |
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132 // CEventMediatorServer::StopEventMediator |
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133 // Stops Event Mediator service if there are no sessions left. |
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134 // ---------------------------------------------------------------------------- |
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135 // |
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136 void CEventMediatorServer::StopEventMediator(void) |
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137 { |
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138 if (iSessionCount == 0) |
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139 { |
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140 LOG(Log::Printf(_L("CEventMediatorServer::StopEventMediator - session count 0, stopping scheduler and thus the server\n"))); |
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141 CActiveScheduler::Stop(); |
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142 } |
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143 } |
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144 |
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145 TInt CEventMediatorServer::RunError(TInt aError) |
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146 { |
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147 LOG(Log::Printf(_L("CEventMediatorServer::RunError - error = %d\n"), aError)); |
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148 Message().Complete(aError); |
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149 |
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150 // The leave will result in an early return from CServer::RunL(), |
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151 // skipping the call to request another message. So we issue the |
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152 // request here in order to keep the server running. |
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153 ReStart(); |
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154 |
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155 // Handled the error fully |
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156 return KErrNone; |
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157 } |
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158 |
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159 // ---------------------------------------------------------------------------- |
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160 // CEventMediatorServer::NewSessionL |
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161 // Creates a new session and returns the handle to the session. |
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162 // ---------------------------------------------------------------------------- |
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163 // |
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164 CSession2* CEventMediatorServer::NewSessionL( |
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165 const TVersion& /*aVersion*/, |
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166 const RMessage2& aMessage) const |
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167 { |
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168 // New sessions are not accepted if the server is shutting down |
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169 // (it's just waiting for the last session (from SIT) to die) |
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170 if (iShuttingDown) |
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171 { |
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172 User::Leave(KErrServerTerminated); |
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173 } |
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174 |
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175 CSession2* session = CEventMediatorSession::NewL(CONST_CAST(CEventMediatorServer*, this), aMessage); |
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176 return session; |
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177 } |
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178 |
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179 void CEventMediatorServer::ReportEventL(const TEventType aType, TDesC8* aSpec, |
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180 TDesC8* aData, TInt aStatus) |
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181 { |
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182 LOG(Log::Printf(_L("CEventMediatorServer::ReportEventL - event type = %d\n"), aType)); |
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183 TInt listenerCount = 0; |
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184 CEventMediatorSession* session; |
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185 iSessionIter.SetToFirst(); |
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186 session = (CEventMediatorSession*) iSessionIter++; |
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187 |
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188 while (session != NULL) |
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189 { |
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190 // Some listeners listen this event with specification |
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191 listenerCount += session->CheckEventL(aType, aSpec, aData, aStatus); |
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192 // Some without specification, all events are good for them |
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193 if (aSpec != NULL) |
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194 { |
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195 listenerCount += session->CheckEventL(aType, NULL, aData, aStatus); |
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196 } |
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197 session = (CEventMediatorSession*) iSessionIter++; |
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198 } |
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199 if (listenerCount) |
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200 { |
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201 // Need to save the event data as it may/will be fetched later |
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202 TEventContainer* container = new (ELeave) TEventContainer(listenerCount, aData); |
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203 CleanupStack::PushL(container); |
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204 iStoredEvents.AppendL(container); |
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205 CleanupStack::Pop(); |
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206 } |
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207 // Write event to log |
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208 if (aType == ELogEvent && iLogger) |
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209 { |
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210 LOG(Log::Printf(_L("CEventMediatorServer::ReportEventL - calling iLogger->LogEvent\n"))); |
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211 iLogger->LogEvent(*aData); |
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212 } |
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213 |
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214 // If there are no listeners, delete data |
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215 if (listenerCount == 0) |
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216 { |
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217 delete aData; |
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218 } |
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219 } |
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220 |
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221 TInt CEventMediatorServer::CopyEventDataL(const RMessage2& aMessage) |
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222 { |
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223 TBool found = EFalse; |
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224 TInt i = 0; |
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225 TInt err = KErrNone; |
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226 while (!found && i < iStoredEvents.Count()) |
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227 { |
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228 if (iStoredEvents.At(i)->iData == aMessage.Ptr0()) |
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229 { |
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230 found = ETrue; |
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231 } |
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232 else |
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233 { |
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234 i++; |
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235 } |
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236 } |
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237 if (found) |
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238 { |
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239 aMessage.WriteL(SECOND_ARGUMENT, *(iStoredEvents.At(i)->iData)); |
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240 MarkStoredEventListened(i); |
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241 } |
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242 else |
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243 { |
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244 err = KErrNotFound; |
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245 } |
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246 return err; |
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247 } |
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248 |
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249 void CEventMediatorServer::MarkStoredEventListened(TInt aIndex) |
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250 { |
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251 iStoredEvents.At(aIndex)->iListenerCount--; |
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252 if (iStoredEvents.At(aIndex)->iListenerCount == 0) |
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253 { |
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254 delete iStoredEvents.At(aIndex)->iData; |
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255 delete iStoredEvents.At(aIndex); |
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256 iStoredEvents.Delete(aIndex); |
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257 } |
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258 } |
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259 |
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260 TBool CEventMediatorServer::IsClientTheSitL(const RMessage2& aMessage) |
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261 { |
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262 LOG(Log::Printf(_L("CEventMediatorServer::IsClientTheSitL\n"))); |
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263 TBool isClientTheSit = EFalse; |
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264 |
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265 RThread clientThread; |
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266 User::LeaveIfError(aMessage.Client(clientThread)); |
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267 |
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268 if (clientThread.Id() == iSit->ThreadId()) |
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269 { |
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270 LOG(Log::Printf(_L("CEventMediatorServer::IsClientTheSitL - YES\n"))); |
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271 isClientTheSit = ETrue; |
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272 } |
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273 |
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274 clientThread.Close(); |
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275 |
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276 return isClientTheSit; |
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277 } |
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278 |
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279 void CEventMediatorServer::MakeSureSitIsRunningL() |
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280 { |
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281 LOG(Log::Printf(_L("CEventMediatorServer::MakeSureSitIsRunningL\n"))); |
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282 // If the SIT has not yet been started |
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283 // or has died, try to start it |
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284 iSit->StartL(); |
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285 } |
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286 |
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287 void CEventMediatorServer::SetTaskArrivalListenerL(CListenerContainer* aListener) |
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288 { |
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289 LOG(Log::Printf(_L("CEventMediatorServer::SetTaskArrivalListenerL\n"))); |
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290 if (aListener) |
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291 { |
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292 // Task arrival observation requests must |
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293 // come from the SIT |
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294 if (!IsClientTheSitL(aListener->Message())) |
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295 { |
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296 User::Leave(KErrNotSupported); |
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297 } |
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298 |
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299 // Only one task arrival observation request |
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300 // is allowed to be present at the same time |
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301 if (iTaskArrivalListener && (aListener != iTaskArrivalListener)) |
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302 { |
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303 User::Leave(KErrNotSupported); |
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304 } |
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305 } |
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306 |
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307 iTaskArrivalListener = aListener; |
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308 } |
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309 |
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310 void CEventMediatorServer::ClearTaskArrivalListener() |
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311 { |
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312 LOG(Log::Printf(_L("CEventMediatorServer::ClearTaskArrivalListener\n"))); |
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313 iTaskArrivalListener = NULL; |
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314 } |
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315 |
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316 CListenerContainer* CEventMediatorServer::TaskArrivalListener() |
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317 { |
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318 return iTaskArrivalListener; |
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319 } |
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320 |
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321 void CEventMediatorServer::TaskRequestArrivedL(CListenerContainer* aTaskRequest) |
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322 { |
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323 LOG(Log::Printf(_L("CEventMediatorServer::TaskRequestArrivedL\n"))); |
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324 CompleteTaskArrivalObservationRequestL(aTaskRequest->Type(), aTaskRequest->Specification()); |
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325 } |
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326 |
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327 void CEventMediatorServer::TaskArrivalObservationRequestArrivedL() |
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328 { |
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329 LOG(Log::Printf(_L("CEventMediatorServer::TaskArrivalObservationRequestArrivedL\n"))); |
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330 // Go through all pending event listening requests to see if any |
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331 // one of those should be passed to the SIT (i.e. if the task |
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332 // arrival observation request should be completed immediately) |
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333 |
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334 CListenerContainer* taskRequest = FindWaitingTaskRequest(); |
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335 |
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336 if (taskRequest) |
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337 { |
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338 CompleteTaskArrivalObservationRequestL(taskRequest->Type(), taskRequest->Specification()); |
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339 } |
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340 } |
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341 |
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342 void CEventMediatorServer::TaskRequestEventSpecFetchingRequestArrivedL(CListenerContainer* aFetchingRequest) |
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343 { |
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344 LOG(Log::Printf(_L("CEventMediatorServer::TaskRequestEventSpecFetchingRequestArrivedL\n"))); |
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345 TFetchTaskInfoEventSpec taskRequestInfo; |
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346 TPckg<TFetchTaskInfoEventSpec> taskRequestInfoDes(taskRequestInfo); |
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347 taskRequestInfoDes.Copy(*(aFetchingRequest->Specification())); |
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348 |
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349 // Find the task request whose event specification |
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350 // we should return to the SIT TH |
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351 CListenerContainer* taskRequest = FindListener(taskRequestInfo.iEventType, taskRequestInfo.iEventSpecId); |
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352 |
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353 if (taskRequest && !taskRequest->BeingFulfilled()) |
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354 { |
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355 CompleteTaskRequestEventSpecFetchingRequestL(KErrNone, aFetchingRequest->Specification(), |
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356 taskRequest->Specification()); |
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357 taskRequest->MarkAsBeingFulfilled(); |
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358 } |
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359 else |
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360 { |
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361 CompleteTaskRequestEventSpecFetchingRequestL(KErrNotFound, aFetchingRequest->Specification(), NULL); |
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362 } |
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363 } |
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364 |
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365 void CEventMediatorServer::TaskCancellationObservationRequestArrivedL(CListenerContainer* aRequest) |
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366 { |
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367 LOG(Log::Printf(_L("CEventMediatorServer::TaskCancellationObservationRequestArrivedL\n"))); |
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368 // Try to find a task request event type that corresponds to the received |
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369 // event type. This will only succeed if the received event type is |
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370 // one that is used to listen to the cancellation of a task request. |
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371 TEventType taskRequestEventType = CSit::FindTaskRequestEventType(aRequest->Type()); |
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372 |
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373 // If a corresponding task request type was found... |
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374 if (taskRequestEventType != EUnfoundEvent) |
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375 { |
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376 // Try to find the listener container of the task request |
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377 CListenerContainer* taskRequest = FindListener(taskRequestEventType, aRequest->Specification()); |
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378 |
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379 // The listener container for the task request was not found |
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380 // (i.e. the task request has been cancelled or the |
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381 // corresponding client session has been closed), so we |
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382 // complete the cancellation observation request right away |
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383 if (taskRequest == NULL) |
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384 { |
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385 ReportEventL(aRequest->Type(), aRequest->Specification(), NULL); |
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386 } |
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387 } |
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388 } |
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389 |
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390 void CEventMediatorServer::CompleteTaskArrivalObservationRequestL(TEventType aEventType, TDesC8* aSpec) |
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391 { |
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392 LOG(Log::Printf(_L("CEventMediatorServer::CompleteTaskArrivalObservationRequestL\n"))); |
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393 if (iTaskArrivalListener) |
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394 { |
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395 // In SIT events, the event specification |
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396 // begins with the event specification ID |
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397 TEventSpec* sitEventSpec = (TEventSpec*)(aSpec->Ptr()); |
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398 |
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399 TTaskArrivedEventData eventData; |
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400 eventData.iEventType = aEventType; |
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401 eventData.iEventSpecId = sitEventSpec->iId; |
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402 TPckg<TTaskArrivedEventData> eventDataDes(eventData); |
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403 |
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404 HBufC8* eventDataCopy = eventDataDes.AllocL(); |
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405 CleanupStack::PushL(eventDataCopy); |
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406 |
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407 ReportEventL(ETaskArrivedEvent, NULL, eventDataCopy); |
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408 |
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409 CleanupStack::Pop(); // eventDataCopy, freed elsewhere |
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410 } |
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411 } |
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412 |
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413 void CEventMediatorServer::CompleteTaskRequestEventSpecFetchingRequestL(TInt aStatus, TDesC8* aEventSpec, |
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414 TDesC8* aTaskRequestEventSpec) |
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415 { |
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416 LOG(Log::Printf(_L("CEventMediatorServer::CompleteTaskRequestEventSpecFetchingRequestL\n"))); |
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417 // The event specification of the task request |
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418 // is returned to the SIT TH as event data |
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419 if (aTaskRequestEventSpec) |
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420 { |
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421 HBufC8* eventData = aTaskRequestEventSpec->AllocL(); |
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422 CleanupStack::PushL(eventData); |
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423 |
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424 ReportEventL(EFetchTaskInfoEvent, aEventSpec, eventData, aStatus); |
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425 |
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426 CleanupStack::Pop(); // eventData, freed elsewhere |
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427 } |
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428 else |
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429 { |
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430 ReportEventL(EFetchTaskInfoEvent, aEventSpec, NULL, aStatus); |
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431 } |
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432 } |
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433 |
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434 CListenerContainer* CEventMediatorServer::FindWaitingTaskRequest() |
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435 { |
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436 CEventMediatorSession* session; |
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437 iSessionIter.SetToFirst(); |
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438 session = (CEventMediatorSession*) iSessionIter++; |
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439 |
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440 CListenerContainer* listener = NULL; |
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441 |
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442 while (session != NULL) |
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443 { |
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444 listener = session->FindWaitingTaskRequest(); |
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445 if (listener != NULL) |
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446 { |
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447 break; |
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448 } |
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449 session = (CEventMediatorSession*) iSessionIter++; |
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450 } |
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451 |
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452 return listener; |
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453 } |
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454 |
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455 CListenerContainer* CEventMediatorServer::FindListener(TEventType aEventType, |
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456 TInt aEventSpecId) |
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457 { |
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458 CEventMediatorSession* session; |
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459 iSessionIter.SetToFirst(); |
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460 session = (CEventMediatorSession*) iSessionIter++; |
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461 |
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462 CListenerContainer* listener = NULL; |
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463 |
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464 while (session != NULL) |
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465 { |
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466 listener = session->FindListener(aEventType, aEventSpecId); |
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467 if (listener != NULL) |
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468 { |
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469 break; |
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470 } |
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471 session = (CEventMediatorSession*) iSessionIter++; |
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472 } |
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473 |
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474 return listener; |
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475 } |
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476 |
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477 CListenerContainer* CEventMediatorServer::FindListener(TEventType aEventType, |
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478 const TDesC8* aEventSpec) |
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479 { |
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480 CEventMediatorSession* session; |
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481 iSessionIter.SetToFirst(); |
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482 session = (CEventMediatorSession*) iSessionIter++; |
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483 |
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484 CListenerContainer* listener = NULL; |
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485 |
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486 while (session != NULL) |
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487 { |
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488 listener = session->FindListener(aEventType, aEventSpec); |
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489 if (listener != NULL) |
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490 { |
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491 break; |
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492 } |
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493 session = (CEventMediatorSession*) iSessionIter++; |
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494 } |
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495 |
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496 return listener; |
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497 } |
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498 |
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499 void CEventMediatorServer::CompleteListener(TEventType aEventType, const TDesC8* aEventSpec, TInt aStatus) |
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500 { |
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501 CEventMediatorSession* session; |
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502 iSessionIter.SetToFirst(); |
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503 session = (CEventMediatorSession*) iSessionIter++; |
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504 |
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505 while (session != NULL) |
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506 { |
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507 session->CompleteListener(aEventType, aEventSpec, aStatus); |
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508 session = (CEventMediatorSession*) iSessionIter++; |
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509 } |
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510 } |
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511 |
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512 TInt CEventMediatorServer::NormalSessionCount() |
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513 { |
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514 TInt normalSessionCount = 0; |
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515 |
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516 CEventMediatorSession* session; |
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517 iSessionIter.SetToFirst(); |
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518 session = (CEventMediatorSession*) iSessionIter++; |
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519 |
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520 while (session != NULL) |
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521 { |
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522 if (!(session->IsASitSession())) |
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523 { |
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524 normalSessionCount++; |
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525 } |
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526 session = (CEventMediatorSession*) iSessionIter++; |
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527 } |
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528 |
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529 return normalSessionCount; |
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530 } |
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531 |
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532 TInt CEventMediatorServer::NewEventSpecId() |
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533 { |
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534 return ++iNextEventSpecId; |
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535 } |
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536 |
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537 TPtrC CEventMediatorServer::EventLogFileName(void) |
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538 { |
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539 TPtrC name(iEventLogFileName); |
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540 return name; |
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541 } |
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542 |
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543 void CEventMediatorServer::SitDied() |
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544 { |
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545 LOG(Log::Printf(_L("CEventMediatorServer::SitDied\n"))); |
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546 CompleteTaskRequests(KErrDied); |
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547 } |
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548 |
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549 void CEventMediatorServer::CompleteTaskRequests(TInt aStatus) |
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550 { |
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551 LOG(Log::Printf(_L("CEventMediatorServer::CompleteTaskRequests\n"))); |
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552 CEventMediatorSession* session; |
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553 iSessionIter.SetToFirst(); |
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554 session = (CEventMediatorSession*) iSessionIter++; |
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555 |
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556 while (session != NULL) |
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557 { |
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558 session->CompleteTaskRequests(aStatus); |
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559 session = (CEventMediatorSession*) iSessionIter++; |
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560 } |
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561 } |
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562 |
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563 void CEventMediatorServer::SetShuttingDown(TBool aShuttingDown) |
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564 { |
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565 iShuttingDown = aShuttingDown; |
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566 } |
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567 |
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568 // ============================= CEventMediatorSession ============================= |
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569 |
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570 CEventMediatorSession* CEventMediatorSession::NewL(CEventMediatorServer* aServer, const RMessage2& aMessage) |
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571 { |
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572 LOG(Log::Printf(_L("CEventMediatorSession::NewL - begin\n"))); |
|
573 CEventMediatorSession* self; |
|
574 self = new (ELeave) CEventMediatorSession(aServer); |
|
575 CleanupStack::PushL(self); |
|
576 |
|
577 // Marks the session as a "SIT session" |
|
578 // if the client is the SIT thread |
|
579 self->iIsSitSession = aServer->IsClientTheSitL(aMessage); |
|
580 |
|
581 aServer->iSessionCount++; |
|
582 |
|
583 if ( !self->IsASitSession() ) |
|
584 { |
|
585 User::LeaveIfError(self->iFs.Connect()); // For EventLog |
|
586 self->iEventLogFileOpen = EFalse; |
|
587 } |
|
588 |
|
589 CleanupStack::Pop(); // self |
|
590 |
|
591 LOG(Log::Printf(_L("CEventMediatorSession::NewL - end\n"))); |
|
592 return self; |
|
593 } |
|
594 |
|
595 CEventMediatorSession::CEventMediatorSession(CEventMediatorServer* aServer) |
|
596 : iListenedEvents(2), iServer(aServer) |
|
597 { |
|
598 } |
|
599 |
|
600 CEventMediatorSession::~CEventMediatorSession(void) |
|
601 { |
|
602 LOG(Log::Printf(_L("CEventMediatorSession::~CEventMediatorSession\n"))); |
|
603 CancelAll(); |
|
604 if (iServer) |
|
605 { |
|
606 TInt normalSessionCount = iServer->NormalSessionCount(); |
|
607 |
|
608 // If this too is a normal session and is dying, |
|
609 // decrement the normal session count by one |
|
610 if (!IsASitSession()) |
|
611 { |
|
612 normalSessionCount--; |
|
613 |
|
614 if (iEventLogFileOpen) |
|
615 { |
|
616 iEventLogFile.Close(); |
|
617 iEventLogFileOpen = EFalse; |
|
618 } |
|
619 iFs.Close(); // For EventLog |
|
620 |
|
621 } |
|
622 |
|
623 if (normalSessionCount == 0) |
|
624 { |
|
625 // If "normal" (non-sit) sessions are no longer present, |
|
626 // we complete the task arrival observation request, thus |
|
627 // causing the SIT to terminate and close its connection |
|
628 // to this server. This should be the last connection whose |
|
629 // closing will cause this server to terminate. |
|
630 // NOTE. KErrCancel cannot be used here as the Event Mediator |
|
631 // does not report it to the caller |
|
632 LOG(Log::Printf(_L("CEventMediatorSession::~CEventMediatorSession - normal session count = 0\n"))); |
|
633 iServer->CompleteListener(ETaskArrivedEvent, NULL, KErrAbort); |
|
634 |
|
635 // Set the server state to "shutting down". This will |
|
636 // cause the server to discard any new connect requests |
|
637 // with KErrServerTerminated. |
|
638 iServer->SetShuttingDown(ETrue); |
|
639 } |
|
640 |
|
641 if (iServer->iSessionCount) |
|
642 { |
|
643 iServer->iSessionCount--; |
|
644 } |
|
645 |
|
646 iServer->StopEventMediator(); |
|
647 } |
|
648 } |
|
649 |
|
650 void CEventMediatorSession::ServiceL(const RMessage2& aMessage) |
|
651 { |
|
652 TInt status = 0; |
|
653 |
|
654 switch (aMessage.Function()) |
|
655 { |
|
656 case KEventMediatorListen: |
|
657 ListenToEventL(aMessage); |
|
658 break; |
|
659 |
|
660 case KEventMediatorListenWithSpec: |
|
661 ListenToEventWithSpecL(aMessage); |
|
662 break; |
|
663 |
|
664 case KEventMediatorCancel: |
|
665 CancelListening(aMessage); |
|
666 aMessage.Complete(KErrNone); |
|
667 break; |
|
668 |
|
669 case KEventMediatorCancelWithSpec: |
|
670 CancelListeningWithSpecL(aMessage); |
|
671 aMessage.Complete(KErrNone); |
|
672 break; |
|
673 |
|
674 case KEventMediatorCancelAll: |
|
675 CancelAll(); |
|
676 aMessage.Complete(KErrNone); |
|
677 break; |
|
678 |
|
679 case KEventMediatorReportEvent: |
|
680 ReportEventL(aMessage); |
|
681 aMessage.Complete(KErrNone); |
|
682 break; |
|
683 |
|
684 case KEventMediatorReportEventWithSpec: |
|
685 ReportEventWithSpecL(aMessage); |
|
686 aMessage.Complete(KErrNone); |
|
687 break; |
|
688 |
|
689 case KEventMediatorFetchData: |
|
690 status = FetchDataL(aMessage); |
|
691 aMessage.Complete(status); |
|
692 break; |
|
693 |
|
694 case KEventMediatorReportLogEvent: |
|
695 ReportLogEventL(aMessage); |
|
696 aMessage.Complete(KErrNone); |
|
697 break; |
|
698 |
|
699 case KEventMediatorNewEventSpecId: |
|
700 NewEventSpecIdL(aMessage); |
|
701 aMessage.Complete(KErrNone); |
|
702 break; |
|
703 case KEventMediatorDeletePrivateFiles: |
|
704 status = DeletePrivateFiles(); |
|
705 aMessage.Complete(status); |
|
706 break; |
|
707 |
|
708 case KEventMediatorGetEventLogSize: |
|
709 status = GetEventLogSize(aMessage); |
|
710 aMessage.Complete(status); |
|
711 break; |
|
712 |
|
713 case KEventMediatorGetEventLogHeader: |
|
714 status = GetEventLogHeader(aMessage); |
|
715 aMessage.Complete(status); |
|
716 break; |
|
717 case KEventMediatorGetEventLogData: |
|
718 status = GetEventLogData(aMessage); |
|
719 aMessage.Complete(status); |
|
720 break; |
|
721 case KEventMediatorClearEventLog: |
|
722 status = ClearEventLog(); |
|
723 aMessage.Complete(status); |
|
724 break; |
|
725 default: |
|
726 aMessage.Complete(KErrGeneral); |
|
727 break; |
|
728 } |
|
729 } |
|
730 |
|
731 TInt CEventMediatorSession::ListenToEventL(const RMessage2& aMessage) |
|
732 { |
|
733 CListenerContainer* listener = new (ELeave) CListenerContainer(aMessage, NULL, iServer); |
|
734 CleanupStack::PushL(listener); |
|
735 |
|
736 iListenedEvents.AppendL(listener); |
|
737 CleanupStack::Pop(); // listener |
|
738 |
|
739 listener->AnalyzeRequestL(); |
|
740 |
|
741 return KErrNone; |
|
742 } |
|
743 |
|
744 TInt CEventMediatorSession::ListenToEventWithSpecL(const RMessage2& aMessage) |
|
745 { |
|
746 HBufC8* specBuf = NULL; |
|
747 |
|
748 // Read specification |
|
749 specBuf = ReadSpecificationFromClientL(aMessage); |
|
750 CleanupStack::PushL(specBuf); |
|
751 |
|
752 // Ownership of specBuf is given to listener |
|
753 CListenerContainer* listener = new (ELeave) CListenerContainer(aMessage, specBuf, iServer); |
|
754 CleanupStack::Pop(); // specBuf |
|
755 CleanupStack::PushL(listener); |
|
756 |
|
757 iListenedEvents.AppendL(listener); |
|
758 CleanupStack::Pop(); // listener |
|
759 |
|
760 listener->AnalyzeRequestL(); |
|
761 |
|
762 return KErrNone; |
|
763 } |
|
764 |
|
765 void CEventMediatorSession::CancelListening(const RMessage2& aMessage) |
|
766 { |
|
767 TInt index; |
|
768 |
|
769 while (FindListenerMsg((TEventType)aMessage.Int0(), index)) |
|
770 { |
|
771 CompleteListener(index, KErrCancel); |
|
772 } |
|
773 } |
|
774 |
|
775 void CEventMediatorSession::CancelListeningWithSpecL(const RMessage2& aMessage) |
|
776 { |
|
777 HBufC8* specBuf = NULL; |
|
778 TInt index; |
|
779 |
|
780 // Read specification |
|
781 specBuf = ReadSpecificationFromClientL(aMessage); |
|
782 CleanupStack::PushL(specBuf); |
|
783 |
|
784 // Cancel listeners |
|
785 while (FindListenerMsg((TEventType)aMessage.Int0(), specBuf, index)) |
|
786 { |
|
787 CompleteListener(index, KErrCancel); |
|
788 } |
|
789 CleanupStack::PopAndDestroy(); // specBuf |
|
790 } |
|
791 |
|
792 void CEventMediatorSession::CancelAll() |
|
793 { |
|
794 TInt nEvents = iListenedEvents.Count(); |
|
795 for (TInt i = 0; i < nEvents; i++) |
|
796 { |
|
797 iListenedEvents.At(i)->Complete(KErrCancel); |
|
798 delete iListenedEvents.At(i); |
|
799 iListenedEvents.At(i) = NULL; |
|
800 } |
|
801 iListenedEvents.Reset(); |
|
802 } |
|
803 |
|
804 void CEventMediatorSession::ReportEventL(const RMessage2& aMessage) |
|
805 { |
|
806 TEventType eventType = (TEventType)aMessage.Int0(); |
|
807 LOG(Log::Printf(_L("CEventMediatorSession::ReportEventL - event type = %d\n"), eventType)); |
|
808 // Read data |
|
809 HBufC8* dataBuf = ReadEventDataFromClientL(aMessage); |
|
810 CleanupStack::PushL(dataBuf); |
|
811 // Report event to server |
|
812 iServer->ReportEventL(eventType, NULL, dataBuf); |
|
813 CleanupStack::Pop(); |
|
814 } |
|
815 |
|
816 void CEventMediatorSession::ReportEventWithSpecL(const RMessage2& aMessage) |
|
817 { |
|
818 TEventType eventType=(TEventType) aMessage.Int0(); |
|
819 LOG(Log::Printf(_L("CEventMediatorSession::ReportEventWithSpecL - event type = %d\n"), eventType)); |
|
820 // Read data |
|
821 HBufC8* dataBuf = ReadEventDataFromClientL(aMessage); |
|
822 CleanupStack::PushL(dataBuf); |
|
823 // Read specification |
|
824 HBufC8* specBuf = ReadSpecificationFromClientL(aMessage); |
|
825 CleanupStack::PushL(specBuf); |
|
826 // Report event to server |
|
827 iServer->ReportEventL(eventType, specBuf, dataBuf); |
|
828 CleanupStack::PopAndDestroy(); // specBuf |
|
829 CleanupStack::Pop(); // dataBuf |
|
830 } |
|
831 |
|
832 void CEventMediatorSession::ReportLogEventL(const RMessage2& aMessage) |
|
833 { |
|
834 LOG(Log::Printf(_L("CEventMediatorSession::ReportLogEventL\n"))); |
|
835 // Read event |
|
836 TLogEvent event; |
|
837 TPckg<TLogEvent> eventPckg(event); |
|
838 aMessage.ReadL(FIRST_ARGUMENT, eventPckg); |
|
839 |
|
840 // Create one buffer to contain put everything in a normal buffer and |
|
841 TInt lengthsDesLth = event.iDesCount * sizeof(TInt); |
|
842 TInt position = eventPckg.Length(); |
|
843 TInt dataLength = position + lengthsDesLth + aMessage.Int2(); |
|
844 HBufC8* dataBuf = HBufC8::NewLC(dataLength); |
|
845 TPtr8 dataPtr = dataBuf->Des(); |
|
846 |
|
847 // Copy event to buffer |
|
848 dataPtr.Append(eventPckg); |
|
849 // Read lengths to buffer |
|
850 TPtr8 tmpPtr(&dataPtr[position], 0, dataLength - position); |
|
851 aMessage.ReadL(SECOND_ARGUMENT, tmpPtr); |
|
852 // Read descriptors to the buffer |
|
853 position= dataPtr.Length(); |
|
854 tmpPtr.Set(&dataPtr[position], 0, dataLength - position); |
|
855 aMessage.ReadL(THIRD_ARGUMENT, tmpPtr); |
|
856 |
|
857 // Report event to server |
|
858 iServer->ReportEventL(ELogEvent, NULL, dataBuf); |
|
859 CleanupStack::Pop(); |
|
860 } |
|
861 |
|
862 TInt CEventMediatorSession::FetchDataL(const RMessage2& aMessage) |
|
863 { |
|
864 LOG(Log::Printf(_L("CEventMediatorSession::FetchDataL\n"))); |
|
865 return iServer->CopyEventDataL(aMessage); |
|
866 } |
|
867 |
|
868 TInt CEventMediatorSession::CheckEventL(const TEventType aType, const TDesC8* aSpec, |
|
869 const TDesC8* aData, TInt aStatus) |
|
870 { |
|
871 TInt index; |
|
872 TInt listenerCount = 0; |
|
873 TInt dataLth = 0; |
|
874 // Some events don't not have data |
|
875 if (aData) |
|
876 { |
|
877 dataLth = aData->Length(); |
|
878 } |
|
879 TPckg<TInt> lengthpckg(dataLth); |
|
880 TPckgC<const TAny*> ptrpckg(aData); |
|
881 |
|
882 while (FindListenerMsg(aType, aSpec, index)) |
|
883 { |
|
884 RMessage2& listener = iListenedEvents.At(index)->Message(); |
|
885 |
|
886 if (aStatus == KErrNone) |
|
887 { |
|
888 // Write info about data |
|
889 listener.WriteL(SECOND_ARGUMENT, lengthpckg); |
|
890 listener.WriteL(THIRD_ARGUMENT, ptrpckg); |
|
891 |
|
892 // Complete listener |
|
893 listener.Complete(KErrNone); |
|
894 } |
|
895 else |
|
896 { |
|
897 listener.Complete(aStatus); |
|
898 } |
|
899 |
|
900 delete iListenedEvents.At(index); |
|
901 iListenedEvents.Delete(index); |
|
902 listenerCount++; |
|
903 } |
|
904 |
|
905 return listenerCount; |
|
906 } |
|
907 |
|
908 TBool CEventMediatorSession::FindListenerMsg(const TEventType aType, TInt& index) |
|
909 { |
|
910 for (TInt i = 0; i < iListenedEvents.Count(); i++) |
|
911 { |
|
912 if (iListenedEvents.At(i)->Type() == aType) |
|
913 { |
|
914 index=i; |
|
915 return ETrue; |
|
916 } |
|
917 } |
|
918 return EFalse; |
|
919 } |
|
920 |
|
921 TBool CEventMediatorSession::FindListenerMsg(const TEventType aType, const TDesC8* aSpec, TInt& index) |
|
922 { |
|
923 for (TInt i = 0; i < iListenedEvents.Count(); i++) |
|
924 { |
|
925 if (iListenedEvents.At(i)->HandlesEvent(aType, aSpec)) |
|
926 { |
|
927 index = i; |
|
928 return ETrue; |
|
929 } |
|
930 } |
|
931 return EFalse; |
|
932 } |
|
933 |
|
934 TBool CEventMediatorSession::FindTaskRequestListenerMsg(TInt& index) |
|
935 { |
|
936 for (TInt i = 0; i < iListenedEvents.Count(); i++) |
|
937 { |
|
938 if (CSit::EventRequiresSit(iListenedEvents.At(i)->Type())) |
|
939 { |
|
940 index = i; |
|
941 return ETrue; |
|
942 } |
|
943 } |
|
944 return EFalse; |
|
945 } |
|
946 |
|
947 HBufC8* CEventMediatorSession::ReadSpecificationFromClientL(const RMessage2& aMessage) |
|
948 { |
|
949 HBufC8* specBuf; |
|
950 // Read specification descriptor length from client, create specification buffer |
|
951 const TAny* desPtr = aMessage.Ptr3(); |
|
952 if (desPtr == NULL) |
|
953 { |
|
954 return NULL; |
|
955 } |
|
956 TInt specLength = aMessage.GetDesLength(FOURTH_ARGUMENT); |
|
957 // Create spcification buffer |
|
958 specBuf = HBufC8::NewLC(specLength); |
|
959 TPtr8 ptr = specBuf->Des(); |
|
960 // Read specification |
|
961 aMessage.ReadL(FOURTH_ARGUMENT, ptr); |
|
962 CleanupStack::Pop(); // specBuf |
|
963 return specBuf; |
|
964 } |
|
965 |
|
966 HBufC8* CEventMediatorSession::ReadEventDataFromClientL(const RMessage2& aMessage) |
|
967 { |
|
968 HBufC8* dataBuf = NULL; |
|
969 TInt desLength = aMessage.Int1(); |
|
970 |
|
971 if (desLength != 0) // Some events have no data |
|
972 { |
|
973 dataBuf = HBufC8::NewLC(desLength); |
|
974 TPtr8 ptr = dataBuf->Des(); |
|
975 aMessage.ReadL(THIRD_ARGUMENT, ptr); |
|
976 CleanupStack::Pop(); // dataBuf |
|
977 } |
|
978 return dataBuf; |
|
979 } |
|
980 |
|
981 CListenerContainer* CEventMediatorSession::FindWaitingTaskRequest() |
|
982 { |
|
983 CListenerContainer* listener = NULL; |
|
984 |
|
985 for (TInt i = 0; i < iListenedEvents.Count(); i++) |
|
986 { |
|
987 if (iListenedEvents.At(i)->WaitingForFulfilling()) |
|
988 { |
|
989 listener = iListenedEvents.At(i); |
|
990 break; |
|
991 } |
|
992 } |
|
993 |
|
994 return listener; |
|
995 } |
|
996 |
|
997 CListenerContainer* CEventMediatorSession::FindListener(TEventType aEventType, |
|
998 TInt aEventSpecId) |
|
999 { |
|
1000 CListenerContainer* listener = NULL; |
|
1001 |
|
1002 for (TInt i = 0; i < iListenedEvents.Count(); i++) |
|
1003 { |
|
1004 if (iListenedEvents.At(i)->Type() == aEventType) |
|
1005 { |
|
1006 TEventSpec* eventSpec = (TEventSpec*)(iListenedEvents.At(i)->Specification()->Ptr()); |
|
1007 |
|
1008 if (eventSpec->iId == aEventSpecId) |
|
1009 { |
|
1010 listener = iListenedEvents.At(i); |
|
1011 break; |
|
1012 } |
|
1013 } |
|
1014 } |
|
1015 |
|
1016 return listener; |
|
1017 } |
|
1018 |
|
1019 CListenerContainer* CEventMediatorSession::FindListener(TEventType aEventType, |
|
1020 const TDesC8* aEventSpec) |
|
1021 { |
|
1022 CListenerContainer* listener = NULL; |
|
1023 |
|
1024 for (TInt i = 0; i < iListenedEvents.Count(); i++) |
|
1025 { |
|
1026 if (iListenedEvents.At(i)->HandlesEvent(aEventType, aEventSpec)) |
|
1027 { |
|
1028 listener = iListenedEvents.At(i); |
|
1029 break; |
|
1030 } |
|
1031 } |
|
1032 |
|
1033 return listener; |
|
1034 } |
|
1035 |
|
1036 void CEventMediatorSession::CompleteListener(TEventType aEventType, |
|
1037 const TDesC8* aEventSpec, |
|
1038 TInt aStatus) |
|
1039 { |
|
1040 TInt index; |
|
1041 while (FindListenerMsg(aEventType, aEventSpec, index)) |
|
1042 { |
|
1043 CompleteListener(index, aStatus); |
|
1044 } |
|
1045 } |
|
1046 |
|
1047 void CEventMediatorSession::CompleteListener(TInt aIndex, TInt aStatus) |
|
1048 { |
|
1049 iListenedEvents.At(aIndex)->Complete(aStatus); |
|
1050 delete iListenedEvents.At(aIndex); |
|
1051 iListenedEvents.Delete(aIndex); |
|
1052 } |
|
1053 |
|
1054 void CEventMediatorSession::CompleteTaskRequests(TInt aStatus) |
|
1055 { |
|
1056 LOG(Log::Printf(_L("CEventMediatorSession::CompleteTaskRequests\n"))); |
|
1057 TInt index; |
|
1058 while (FindTaskRequestListenerMsg(index)) |
|
1059 { |
|
1060 CompleteListener(index, aStatus); |
|
1061 } |
|
1062 } |
|
1063 |
|
1064 TBool CEventMediatorSession::IsASitSession() |
|
1065 { |
|
1066 return iIsSitSession; |
|
1067 } |
|
1068 |
|
1069 void CEventMediatorSession::NewEventSpecIdL(const RMessage2& aMessage) |
|
1070 { |
|
1071 TInt newEventSpecId = iServer->NewEventSpecId(); |
|
1072 TPckg<TInt> newEventSpecIdDes(newEventSpecId); |
|
1073 aMessage.WriteL(FIRST_ARGUMENT, newEventSpecIdDes); |
|
1074 } |
|
1075 |
|
1076 TInt CEventMediatorSession::DeletePrivateFiles() |
|
1077 { |
|
1078 TRAPD(err, DeletePrivateFilesL()); |
|
1079 if ( err ) |
|
1080 { |
|
1081 LOG(Log::Printf(_L("DeletePrivateFilesL() leave error %d\n"), err)); |
|
1082 return err; |
|
1083 } |
|
1084 |
|
1085 return KErrNone; |
|
1086 } |
|
1087 |
|
1088 void CEventMediatorSession::DeletePrivateFilesL() |
|
1089 { |
|
1090 LOG(Log::Printf(_L("DeletePrivateFilesL() called\n"))); |
|
1091 |
|
1092 CFileMan* fileMan = CFileMan::NewL(iFs); |
|
1093 CleanupStack::PushL(fileMan); |
|
1094 |
|
1095 TPath privateDir; |
|
1096 User::LeaveIfError(iFs.PrivatePath(privateDir)); |
|
1097 |
|
1098 TInt err = fileMan->RmDir(privateDir); |
|
1099 if (err != KErrNone && err != KErrPathNotFound && err != KErrNotFound) |
|
1100 { |
|
1101 User::Leave(err); |
|
1102 } |
|
1103 CleanupStack::PopAndDestroy(); //fileMan |
|
1104 } |
|
1105 |
|
1106 TInt CEventMediatorSession::GetEventLogSize( |
|
1107 const RMessage2& aMessage) |
|
1108 { |
|
1109 if ( iEventLogFileOpen ) |
|
1110 { |
|
1111 iEventLogFile.Close(); |
|
1112 iEventLogFileOpen = EFalse; |
|
1113 } |
|
1114 |
|
1115 TInt err = iEventLogFile.Open(iFs, iServer->EventLogFileName(), EFileRead | EFileShareAny); |
|
1116 if ( err ) |
|
1117 return err; |
|
1118 |
|
1119 TInt size(0); |
|
1120 err = iEventLogFile.Size(size); |
|
1121 if ( err ) |
|
1122 { |
|
1123 iEventLogFile.Close(); |
|
1124 return err; |
|
1125 } |
|
1126 |
|
1127 TPckg<TInt> sizePckg(size); |
|
1128 err = aMessage.Write(FIRST_ARGUMENT, sizePckg); |
|
1129 if ( err ) |
|
1130 { |
|
1131 iEventLogFile.Close(); |
|
1132 return err; |
|
1133 } |
|
1134 |
|
1135 iEventLogFileOpen = ETrue; |
|
1136 |
|
1137 return KErrNone; |
|
1138 } |
|
1139 |
|
1140 TInt CEventMediatorSession::GetEventLogHeader( |
|
1141 const RMessage2& aMessage) |
|
1142 { |
|
1143 TInt err(0); |
|
1144 |
|
1145 if ( !iEventLogFileOpen ) |
|
1146 { |
|
1147 err = iEventLogFile.Open(iFs, iServer->EventLogFileName(), EFileRead | EFileShareAny); |
|
1148 if ( err ) |
|
1149 return err; |
|
1150 iEventLogFileOpen = ETrue; |
|
1151 } |
|
1152 |
|
1153 TInt position = 0; |
|
1154 err = iEventLogFile.Seek(ESeekStart, position); |
|
1155 if (err != KErrNone) |
|
1156 return err; |
|
1157 |
|
1158 TBuf8<EVENTLOG_FILE_HEADER_LTH> fileHeaderBuf; |
|
1159 err = iEventLogFile.Read(fileHeaderBuf, EVENTLOG_FILE_HEADER_LTH); |
|
1160 if (err != KErrNone) |
|
1161 return err; |
|
1162 |
|
1163 TRAP(err, aMessage.WriteL(FIRST_ARGUMENT, fileHeaderBuf)); |
|
1164 if ( err ) |
|
1165 return err; |
|
1166 |
|
1167 return KErrNone; |
|
1168 } |
|
1169 |
|
1170 TInt CEventMediatorSession::GetEventLogData( |
|
1171 const RMessage2& aMessage) |
|
1172 { |
|
1173 TInt err(0); |
|
1174 |
|
1175 if ( !iEventLogFileOpen ) |
|
1176 { |
|
1177 err = iEventLogFile.Open(iFs, iServer->EventLogFileName(), EFileRead | EFileShareAny); |
|
1178 if ( err ) |
|
1179 return err; |
|
1180 iEventLogFileOpen = ETrue; |
|
1181 } |
|
1182 |
|
1183 TInt size(0); |
|
1184 err = iEventLogFile.Size(size); |
|
1185 if ( err ) |
|
1186 return err; |
|
1187 |
|
1188 if ( size < EVENTLOG_FILE_HEADER_LTH ) |
|
1189 return KErrNotFound; |
|
1190 |
|
1191 HBufC8* eventLogFileBuf = NULL; |
|
1192 TRAP(err, eventLogFileBuf = HBufC8::NewL(size)); |
|
1193 if ( err ) |
|
1194 { |
|
1195 return err; |
|
1196 } |
|
1197 |
|
1198 TPtr8 eventLogDataPtr(eventLogFileBuf->Des()); |
|
1199 TInt position(0); |
|
1200 err = iEventLogFile.Seek(ESeekStart, position); |
|
1201 if ( err ) |
|
1202 { |
|
1203 delete eventLogFileBuf; |
|
1204 return err; |
|
1205 } |
|
1206 err = iEventLogFile.Read(eventLogDataPtr); // iLogFileSize); |
|
1207 if ( err ) |
|
1208 { |
|
1209 delete eventLogFileBuf; |
|
1210 return err; |
|
1211 } |
|
1212 |
|
1213 TRAP( err, aMessage.WriteL(FIRST_ARGUMENT, eventLogDataPtr)); |
|
1214 if ( err ) |
|
1215 { |
|
1216 delete eventLogFileBuf; |
|
1217 return err; |
|
1218 } |
|
1219 |
|
1220 delete eventLogFileBuf; |
|
1221 eventLogFileBuf = NULL; |
|
1222 |
|
1223 return KErrNone; |
|
1224 } |
|
1225 |
|
1226 TInt CEventMediatorSession::ClearEventLog() |
|
1227 { |
|
1228 if ( iEventLogFileOpen ) |
|
1229 { |
|
1230 iEventLogFile.Close(); |
|
1231 iEventLogFileOpen = EFalse; |
|
1232 } |
|
1233 |
|
1234 TInt err = iFs.Delete(iServer->EventLogFileName()); |
|
1235 |
|
1236 return err; |
|
1237 } |
|
1238 |
|
1239 |
|
1240 |
|
1241 // ============================= CEventMediatorServer ============================= |
|
1242 |
|
1243 CListenerContainer::CListenerContainer(const RMessage2& aMessage, TDesC8* aSpec, |
|
1244 CEventMediatorServer* aServer) |
|
1245 : iSpec(aSpec), iMessage(aMessage), iServer(aServer) |
|
1246 { |
|
1247 iEventType = Type(); |
|
1248 } |
|
1249 |
|
1250 void CListenerContainer::AnalyzeRequestL() |
|
1251 { |
|
1252 LOG(Log::Printf(_L("CListenerContainer::AnalyzeRequestL\n"))); |
|
1253 if (CSit::EventRequiresSit(iEventType)) |
|
1254 { |
|
1255 LOG(Log::Printf(_L("CListenerContainer::AnalyzeRequestL - event type = %d, requires SIT\n"), iEventType)); |
|
1256 iServer->MakeSureSitIsRunningL(); |
|
1257 iServer->TaskRequestArrivedL(this); |
|
1258 } |
|
1259 |
|
1260 // If this event listening request is the one |
|
1261 // made by the SIT task arrival observer... |
|
1262 if (iEventType == ETaskArrivedEvent) |
|
1263 { |
|
1264 iServer->SetTaskArrivalListenerL(this); |
|
1265 iServer->TaskArrivalObservationRequestArrivedL(); |
|
1266 } |
|
1267 |
|
1268 // If this event listening request is one |
|
1269 // made by a SIT TH to fetch a task... |
|
1270 if (iEventType == EFetchTaskInfoEvent) |
|
1271 { |
|
1272 iServer->TaskRequestEventSpecFetchingRequestArrivedL(this); |
|
1273 } |
|
1274 |
|
1275 // If the event listening request is one |
|
1276 // made by a SIT TH to listen to the cancellation |
|
1277 // of the task request it is handling |
|
1278 if (CSit::IsTaskCancellationObservationRequest(iEventType)) |
|
1279 { |
|
1280 iServer->TaskCancellationObservationRequestArrivedL(this); |
|
1281 } |
|
1282 } |
|
1283 |
|
1284 CListenerContainer::~CListenerContainer() |
|
1285 { |
|
1286 delete iSpec; |
|
1287 |
|
1288 if (iServer->TaskArrivalListener() == this) |
|
1289 { |
|
1290 iServer->ClearTaskArrivalListener(); |
|
1291 } |
|
1292 } |
|
1293 |
|
1294 TBool CListenerContainer::HandlesEvent(TEventType aEventType, const TDesC8* aEventSpec) |
|
1295 { |
|
1296 if (iEventType == aEventType) |
|
1297 { |
|
1298 // Specs are same if both are NULL |
|
1299 if (iSpec == NULL && aEventSpec == NULL) |
|
1300 { |
|
1301 return ETrue; |
|
1302 } |
|
1303 // or data in buffers are identical |
|
1304 else if (iSpec != NULL && aEventSpec != NULL && (*iSpec) == (*aEventSpec)) |
|
1305 { |
|
1306 return ETrue; |
|
1307 } |
|
1308 } |
|
1309 return EFalse; |
|
1310 } |
|
1311 |
|
1312 void CListenerContainer::Complete(TInt status) |
|
1313 { |
|
1314 // If there's a SIT fulfilling this event listening |
|
1315 // request (i.e. if this is a task request) and this |
|
1316 // task request is being cancelled... |
|
1317 if (status == KErrCancel) |
|
1318 { |
|
1319 // See if we can find a task request cancellation observation |
|
1320 // event type that corresponds to this event type |
|
1321 TEventType cancelEventType = CSit::FindCancelEventType(iEventType); |
|
1322 |
|
1323 if (cancelEventType != EUnfoundEvent) |
|
1324 { |
|
1325 // Complete the task request cancellation |
|
1326 // observation, if found |
|
1327 iServer->CompleteListener(cancelEventType, iSpec, KErrNone); |
|
1328 } |
|
1329 } |
|
1330 |
|
1331 iMessage.Complete(status); |
|
1332 } |
|
1333 |
|
1334 TBool CListenerContainer::WaitingForFulfilling() |
|
1335 { |
|
1336 if (CSit::EventRequiresSit(iEventType) && !iBeingFulfilledBySit) |
|
1337 { |
|
1338 return ETrue; |
|
1339 } |
|
1340 else |
|
1341 { |
|
1342 return EFalse; |
|
1343 } |
|
1344 } |
|
1345 |
|
1346 void CListenerContainer::MarkAsBeingFulfilled() |
|
1347 { |
|
1348 iBeingFulfilledBySit = ETrue; |
|
1349 } |
|
1350 |
|
1351 TBool CListenerContainer::BeingFulfilled() |
|
1352 { |
|
1353 return iBeingFulfilledBySit; |
|
1354 } |